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4
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Media Type
4
texts
Topics & Subjects
3
Patents
2
Catalogs
2
Edison, Thomas A. (Thomas Alva), 1847-1931
2
Electric apparatus and appliances
2
Electric machinery
2
Inventions
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Collection
4
Smithsonian Libraries
2
eminems Favorites
1
abadidea Favorites
1
pds209 Favorites
1
Rosanna Buckley Favorites
1
saraadamsphotography Favorites
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Creator
2
edison, thomas a. (thomas alva), 1847-1931
2
united states. patent office
Language
4
English
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